ytoshima

ytoshima / gist:1369656

Created November 16, 2011 09:17

PrintIdeal PrintCompilation output example

	$ ~/jdk1.7.0-b147/fastdebug/bin/java -XX:+PrintCompilation -XX:+PrintIdeal -XX:CICompilerCount=1 sum

	214 1 sum::doit (22 bytes)
	VM option '+PrintCompilation'
	VM option '+PrintIdeal'
	VM option 'CICompilerCount=1'
	21 ConI === 0 [[ 180 ]] #int:0
	180 Phi === 184 21 70 [[ 179 ]] #int !orig=[159],[139],[66] !jvms:
	sum::doit @ bci:10
	179 AddI === _ 180 181 [[ 178 ]] !orig=[154],[137],70,[145] !jvms: su

ytoshima / PrintIdealGraphFile-output-example.xml

Created November 16, 2011 08:56

PrintIdealGraphFile output example

	<graphDocument>
	<group>
	<properties>
	<p name="name"> virtual jint Call.doit()</p>
	</properties>
	<graph name="Bytecode 0: aload_0">
	<nodes>
	<node id="159337448">
	<properties>
	<p name="name"> Root</p>

ytoshima / C2-IR-Node-Classes

Created November 16, 2011 08:50

C2 IR Node classes

ytoshima / interp.dump.txt

Created October 22, 2011 01:06

A gdb macro which dumps java7 HotSpot JVM linux/32-bit interpreter codelets and an output

	AbstractInterpreter::_code : StubQueue * = 0xb49150c0
	_stub_buffer : 0xb6f7a6c0
	_number_of_stubs: 0x103
	Codelet @ 0xb6f7a6c0 128 -1 0xffffffff 0x10c81a1: "slow signature handler"
	Dump of assembler code from 0xb6f7a6e0 to 0xb6f7a740:
	0xb6f7a6e0: mov %esp,%ecx
	0xb6f7a6e2: call 0xb6f7a6ec
	0xb6f7a6e7: jmp 0xb6f7a73f
	0xb6f7a6ec: push %ecx
	0xb6f7a6ed: push %edi